1345132169 has 2 divisors, whose sum is σ = 1345132170. Its totient is φ = 1345132168.

The previous prime is 1345132153. The next prime is 1345132177. The reversal of 1345132169 is 9612315431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1142440000 + 202692169 = 33800^2 + 14237^2 .

It is an emirp because it is prime and its reverse (9612315431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1345132169 - 2⁴ = 1345132153 is a prime.

It is a super-2 number, since 2×1345132169² = 3618761104157289122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1345132109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672566084 + 672566085.

It is an arithmetic number, because the mean of its divisors is an integer number (672566085).

Almost surely, 2^1345132169 is an apocalyptic number.

It is an amenable number.

1345132169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345132169 is an equidigital number, since it uses as much as digits as its factorization.

1345132169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 1345132169 is about 36676.0435298029. The cubic root of 1345132169 is about 1103.8794614008.

The spelling of 1345132169 in words is "one billion, three hundred forty-five million, one hundred thirty-two thousand, one hundred sixty-nine".